# Atmospheric corrosion control.

**Citation:** 49 CFR 193.2627  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

Each exposed component that is subject to atmospheric corrosive attack must be protected from atmospheric corrosion by—

(a) Material that has been designed and selected to resist the corrosive atmosphere involved; or

(b) Suitable coating or jacketing.

## Document text

Each exposed component that is subject to atmospheric corrosive attack must be protected from atmospheric corrosion by—

(a) Material that has been designed and selected to resist the corrosive atmosphere involved; or

(b) Suitable coating or jacketing.

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-193.2627>
- Source ID: `ecfr`
- SHA-256: `43787d5558621b0d4a10628ff1d5ccbed91cbd2bbf405bea7d96572bd502f62b`
- Retrieved: 2026-08-20T05:54:35.243Z
- Exported: 2026-08-23T19:03:30.698Z
- Document slug: `49-cfr-193-2627`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "193",
  "section": "193.2627",
  "subpart": "Subpart G—Maintenance",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```